475898

MOPS

ULTROL^® Grade, ≥99% (titration), zwitterionic buffer useful in pH range 6.5-7.9

• Synonym(s): MOPS, Free Acid, ULTROL^® Grade, 3-(N-Morpholino)propanesulfonic Acid
• Empirical Formula (Hill Notation): C₇H₁₅NO₄S
• CAS Number: 1132-61-2
• Molecular Weight: 209.26
• MDL number: MFCD00006183
• UNSPSC Code: 12352106

Properties

• Quality Level: 100
• Assay: ≥99% (titration)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze
• color: white
• pKa (20 °C): 7.2
• solubility: water: 1 M
• cation traces: heavy metals: ≤1 ppm
• shipped in: ambient
• storage temp.: 15-25°C
• InChI: 1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11)
• InChI key: DVLFYONBTKHTER-UHFFFAOYSA-N

Description

General description

A zwitterionic buffer useful in the pH range of 6.5-7.9. Has a pK_a of 7.20 at 25°C.

Absorbance (1.0 M, H₂O, 260 nm):≤0.05.

One of the zwitterionic buffers active in the pH range of 6.5 to 8.0 (absorbance: ≤0.05 at 260 nm, 1.0 M, H₂O). Has a pK,sub>a of 6.95-7.24 at 20°C.

Warning

Toxicity: Standard Handling (A)

Other Notes

Spence, J.T., et al. 1988. Biochem. J. 250, 921.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): 230.0 °F - closed cup
• Flash Point(C): 110 °C - closed cup